Barcode Reader Integration Guide (Ready-To-Use Edition)

import 'package:flutter/material.dart';
import 'package:dynamsoft_barcode_reader_bundle_flutter/dynamsoft_barcode_reader_bundle_flutter.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Scan Barcodes RTU',
      theme: ThemeData(colorScheme: ColorScheme.fromSeed(seedColor: Colors.orange)),
      home: const MyHomePage(title: 'Scan Barcodes RTU'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  final String title;
  const MyHomePage({super.key, required this.title});
  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  String _displayString = ""; // used to show the barcode result
  void _launchBarcodeScanner() async{
    var config = BarcodeScannerConfig(
      license: 'DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9',
      /// You can switch between single & multiple here.
      /// Single mode can scan multiple barcodes at once but only returns one result.
      /// Multiple mode returns multiple results.
      scanningMode: EnumScanningMode.single,
    );
    BarcodeScanResult result = await BarcodeScanner.launch(config);

    if(result.status == EnumResultStatus.finished){
      setState(() {
        if (result.status == EnumResultStatus.canceled) {
          _displayString = "Scan canceled";
        } else if (result.status == EnumResultStatus.exception) {
          _displayString = "ErrorCode: ${result.errorCode}\n\nErrorString: ${result.errorMessage}";
        } else {
          var barcode = result.barcodes![0];
          _displayString = "Format: ${barcode!.formatString}\nText: ${barcode.text}";
        }
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
            appBar: AppBar(title: Text(widget.title)),
            body: Center(
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  TextButton(
                    onPressed: _launchBarcodeScanner,
                    child: const Text("Scan Barcodes"),
                  ),
                  SizedBox(height: 20),
                  Padding(
                    padding: EdgeInsets.symmetric(horizontal: 20),
                    child: Text(_displayString, style: Theme.of(context).textTheme.bodyLarge),
                  ),
                ],
              ),
            )
    );
  }
}

var config = BarcodeScannerConfig(
  license: 'DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9',
  scanningMode: EnumScanningMode.single,
  ///Defines the barcode formats.
  ///For example: set the target barcode formats to OneD and QR.
  /// You have to 'package:dynamsoft_capture_vision_flutter/dynamsoft_capture_vision_flutter.dart' to use the EnumBarcodeFormat.
  barcodeFormats: EnumBarcodeFormat.oned | EnumBarcodeFormat.qrCode,
  ///Defines the scanning area as a DSRect object where barcodes will be detected.
  ///Only the barcodes located within this defined region will be processed. 
  ///Default is undefined, which means the full screen will be scanned.
  scanRegion: DSRect(top: 0.35, bottom: 0.65, left: 0.15, right: 0.85, measuredInPercentage: true),
  ///Determines whether the torch (flashlight) button is visible in the scanning UI.
  ///Set to true to display the torch button, enabling users to turn the flashlight on/off. Default is true.
  isTorchButtonVisible: true,
  ///Specifies if a beep sound should be played when a barcode is successfully detected.
  ///Set to true to enable the beep sound, or false to disable it. Default is false.
  isBeepEnabled: false,
  ///Enables or disables the auto-zoom feature during scanning.
  ///When enabled (true), the scanner will automatically zoom in to improve barcode detection. Default is false.
  isAutoZoomEnabled: false,
  ///Determines whether the close button is visible on the scanner UI.
  ///This button allows users to exit the scanning interface. Default is true.
  isCloseButtonVisible: true,
  ///Specifies whether the camera toggle button is displayed.
  ///This button lets users switch between available cameras (e.g., front and rear). Default is false.
  isCameraToggleButtonVisible: false,
  ///Determines if a scanning laser overlay is shown on the scanning screen.
  ///This visual aid (scan laser) helps indicate the scanning line during barcode detection. Default is true.
  isScanLaserVisible: true
);